| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/codec/SkAndroidCodec.h" |
| #include "include/codec/SkCodec.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/core/SkData.h" |
| #include "include/core/SkEncodedImageFormat.h" |
| #include "include/core/SkImageInfo.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSize.h" |
| #include "include/core/SkString.h" |
| #include "include/core/SkTypes.h" |
| #include "include/private/SkGainmapInfo.h" // IWYU pragma: keep |
| #include "modules/skcms/skcms.h" |
| #include "tests/Test.h" |
| #include "tools/Resources.h" |
| |
| #include <cstdint> |
| #include <cstring> |
| #include <initializer_list> |
| #include <memory> |
| #include <utility> |
| |
| static SkISize times(const SkISize& size, float factor) { |
| return { (int) (size.width() * factor), (int) (size.height() * factor) }; |
| } |
| |
| static SkISize plus(const SkISize& size, int term) { |
| return { size.width() + term, size.height() + term }; |
| } |
| |
| static bool invalid(const SkISize& size) { |
| return size.width() < 1 || size.height() < 1; |
| } |
| |
| DEF_TEST(AndroidCodec_computeSampleSize, r) { |
| if (GetResourcePath().isEmpty()) { |
| return; |
| } |
| for (const char* file : { "images/color_wheel.webp", |
| "images/ship.png", |
| "images/dog.jpg", |
| "images/color_wheel.gif", |
| "images/rle.bmp", |
| "images/google_chrome.ico", |
| "images/mandrill.wbmp", |
| #ifdef SK_CODEC_DECODES_RAW |
| "images/sample_1mp.dng", |
| #endif |
| }) { |
| auto data = GetResourceAsData(file); |
| if (!data) { |
| ERRORF(r, "Could not get %s", file); |
| continue; |
| } |
| |
| auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data))); |
| if (!codec) { |
| ERRORF(r, "Could not create codec for %s", file); |
| continue; |
| } |
| |
| const auto dims = codec->getInfo().dimensions(); |
| const SkISize downscales[] = { |
| plus(dims, -1), |
| times(dims, .15f), |
| times(dims, .6f), |
| { (int32_t) (dims.width() * .25f), (int32_t) (dims.height() * .75f ) }, |
| { 1, 1 }, |
| { 1, 2 }, |
| { 2, 1 }, |
| { 0, -1 }, |
| { dims.width(), dims.height() - 1 }, |
| }; |
| for (SkISize size : downscales) { |
| const auto requested = size; |
| const int computedSampleSize = codec->computeSampleSize(&size); |
| REPORTER_ASSERT(r, size.width() >= 1 && size.height() >= 1); |
| if (codec->getEncodedFormat() == SkEncodedImageFormat::kWEBP) { |
| // WebP supports arbitrary down-scaling. |
| REPORTER_ASSERT(r, size == requested || invalid(requested)); |
| } else if (computedSampleSize == 1) { |
| REPORTER_ASSERT(r, size == dims); |
| } else { |
| REPORTER_ASSERT(r, computedSampleSize > 1); |
| if (size.width() >= dims.width() || size.height() >= dims.height()) { |
| ERRORF(r, "File %s's computed sample size (%i) is bigger than" |
| " original? original: %i x %i\tsampled: %i x %i", |
| file, computedSampleSize, dims.width(), dims.height(), |
| size.width(), size.height()); |
| } |
| REPORTER_ASSERT(r, size.width() >= requested.width() && |
| size.height() >= requested.height()); |
| REPORTER_ASSERT(r, size.width() < dims.width() && |
| size.height() < dims.height()); |
| } |
| } |
| |
| const SkISize upscales[] = { |
| dims, plus(dims, 5), times(dims, 2), |
| }; |
| for (SkISize size : upscales) { |
| const int computedSampleSize = codec->computeSampleSize(&size); |
| REPORTER_ASSERT(r, computedSampleSize == 1); |
| REPORTER_ASSERT(r, dims == size); |
| } |
| |
| // This mimics how Android's ImageDecoder uses SkAndroidCodec. A client |
| // can choose their dimensions based on calling getSampledDimensions, |
| // but the ImageDecoder API takes an arbitrary size. It then uses |
| // computeSampleSize to determine the best dimensions and sampleSize. |
| // It should return the same dimensions. the sampleSize may be different |
| // due to integer division. |
| for (int sampleSize : { 1, 2, 3, 4, 8, 16, 32 }) { |
| const SkISize sampledDims = codec->getSampledDimensions(sampleSize); |
| SkISize size = sampledDims; |
| const int computedSampleSize = codec->computeSampleSize(&size); |
| if (sampledDims != size) { |
| ERRORF(r, "File '%s'->getSampledDimensions(%i) yields computed" |
| " sample size of %i\n\tsampledDimensions: %i x %i\t" |
| "computed dimensions: %i x %i", |
| file, sampleSize, computedSampleSize, |
| sampledDims.width(), sampledDims.height(), |
| size.width(), size.height()); |
| } |
| } |
| } |
| } |
| |
| DEF_TEST(AndroidCodec_wide, r) { |
| if (GetResourcePath().isEmpty()) { |
| return; |
| } |
| |
| const char* path = "images/wide-gamut.png"; |
| auto data = GetResourceAsData(path); |
| if (!data) { |
| ERRORF(r, "Missing file %s", path); |
| return; |
| } |
| |
| auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data))); |
| if (!codec) { |
| ERRORF(r, "Failed to create codec from %s", path); |
| return; |
| } |
| |
| auto info = codec->getInfo(); |
| auto cs = codec->computeOutputColorSpace(info.colorType(), nullptr); |
| if (!cs) { |
| ERRORF(r, "%s should have a color space", path); |
| return; |
| } |
| |
| // This image has a gamut that is VERY close to sRGB, so SkColorSpace::MakeRGB snaps to sRGB. |
| auto expected = SkColorSpace::MakeSRGB(); |
| REPORTER_ASSERT(r, SkColorSpace::Equals(cs.get(), expected.get())); |
| } |
| |
| DEF_TEST(AndroidCodec_P3, r) { |
| if (GetResourcePath().isEmpty()) { |
| return; |
| } |
| |
| const char* path = "images/purple-displayprofile.png"; |
| auto data = GetResourceAsData(path); |
| if (!data) { |
| ERRORF(r, "Missing file %s", path); |
| return; |
| } |
| |
| auto codec = SkAndroidCodec::MakeFromCodec(SkCodec::MakeFromData(std::move(data))); |
| if (!codec) { |
| ERRORF(r, "Failed to create codec from %s", path); |
| return; |
| } |
| |
| auto info = codec->getInfo(); |
| auto cs = codec->computeOutputColorSpace(info.colorType(), nullptr); |
| if (!cs) { |
| ERRORF(r, "%s should have a color space", path); |
| return; |
| } |
| |
| REPORTER_ASSERT(r, !cs->isSRGB()); |
| REPORTER_ASSERT(r, cs->gammaCloseToSRGB()); |
| |
| skcms_Matrix3x3 matrix; |
| cs->toXYZD50(&matrix); |
| |
| static constexpr skcms_Matrix3x3 kExpected = {{ |
| { 0.426254272f, 0.369018555f, 0.168914795f }, |
| { 0.226013184f, 0.685974121f, 0.0880126953f }, |
| { 0.0116729736f, 0.0950927734f, 0.71812439f }, |
| }}; |
| REPORTER_ASSERT(r, 0 == memcmp(&matrix, &kExpected, sizeof(skcms_Matrix3x3))); |
| } |